Jesse Spencer
Matthew 'Matt' Casey (23 eps)
Taylor Kinney
Kelly Severide (23 eps)
Monica Raymund
Gabriela Dawson (23 eps)
Kara Killmer
Sylvie Brett (23 eps)
David Eigenberg
Christopher Herrmann (23 eps)
Yuriy Sardarov
Brian 'Otis' Zvonecek (23 eps)
Joe Minoso
Joe Cruz (23 eps)
Miranda Rae Mayo
Stella Kidd (23 eps)
Christian Stolte
Randy 'Mouch' McHolland (23 eps)
Eamonn Walker
Wallace Boden (23 eps)
Randy Flagler
Harold Capp (22 eps)
DuShon Monique Brown
Connie (11 eps)
Gary Cole
Chief Grissom (9 eps)
Jon Seda
Antonio Dawson (7 eps)
Eloise Mumford
Hope Jacquinot (6 eps)
Ariane Rinehart
Lily (5 eps)
Daniel Di Tomasso
Zach Torbett (5 eps)
Daniel Zacapa
Ramon Dawson (4 eps)
Quinn Cooke
Bria (4 eps)
Melissa Ponzio
Donna Robbins (4 eps)
Sarah Shahi
Renée Royce (3 eps)
Robyn Coffin
Cindy Herrmann (3 eps)
Deanna Reed-Foster
Tina Cantrell (2 eps)
Marquis Rodriguez
Rashidi Taylor (2 eps)
Erin Breen
Lt. Alexa Hubble (2 eps)
Brian Tee
Ethan Choi (2 eps)
Marina Squerciati
Kim Burgess (2 eps)
Treat Williams
Benny Severide (2 eps)
Kim Delaney
Jennifer Sheridan (2 eps)
Damon Dayoub
Cordova (1 eps)
Andy John Kalkounos
Lt. Colannino (1 eps)
Annie Funke
Amanda (1 eps)
Paul Turner
Hooper (1 eps)
Geno Walker
Boswell (1 eps)
Gordon Clapp
Chaplain Orlovsky (1 eps)
Marlyne Barrett
Maggie Lockwood (1 eps)
Colin Donnell
Connor Rhodes (1 eps)
Jesse Lee Soffer
Jay Halstead (1 eps)
Jason Beghe
Hank Voight (1 eps)
Brian Howe
Nick Porter (1 eps)
Jeff Lima
Leon Cruz (1 eps)
Alex Haydon
Roland (1 eps)
Yaya DaCosta
April Sexton (1 eps)
Nick Gehlfuss
Will Halstead (1 eps)
Patrick John Flueger
Adam Ruzek (1 eps)
Amy Morton
Trudy Platt (1 eps)
Tim Hopper
Captain Tom Van Meter (1 eps)
Tracy Spiridakos
Hailey Upton (1 eps)